NoSuchMethodError was thrown building AnnouncementWebView(dirty, state: _AnnouncementWebViewState#d4695):Tried calling: stream 这是我的代码: num _stackToView = 1; WebViewControllerbui
24353): The following NoSuchMethodError was thrown during a I/flutter (24353): The getter'image' was called on null.I/flutter (24353): Receiver: nullI/flutter (24353): When thepaddi
═══════════════════════════The getter'key' was called on null.═════════════════════════════════════════════════════════════════════════════════════════════════ 错误在main.dartTheme(
这是错误:未处理的异常: NoSuchMethodError:在null上调用了getter 'host‘。我不知道该怎么处理。简而言之,我收到了错误;
[ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception:NoSuchMethodError: The getter'host' was called on null.Receiver:
我已经设置了Homepage屏幕的通道,它可以工作,但当我尝试Hot Reload应用程序,然后尝试访问主页,它抛出NoSuchMethodError I/flutter (14935): The getter'surname' was called on null.我该如何解决这个问题?我曾尝试将widget.data.surname分配给initState中的随机string,它会清除错误,但不会将widget.data.surname和widget.data.first